The Subcultures are a part of the JConcepts special breed of tire, designed for Maximum performance when new or used as the design allows even wear all the way down to the tire body. Subcultures in new condition excel on hard or Soft surfaces that are either dry, wet or where mixed conditions are present. Worn Subcultures on the second or third tier of lugs excel on surfaces where a groove has formed with minimal dust buildup. J Concepts Tire Compounds: